Acme Thunderer Finger-Grip Whistle 577

Waterproof speed pea.

Easy Blow- instant response

The latest high-tech research and development creates the advanced modern Thunderer.

Independent laboratory tests have confirmed that it out performs even the closest copies.

Finger-grip whistles, invented by Acme in the 1890s are the original, authentic, unequalled, whistles.

Features:

Shatterproof and bite resistant, high impact plastic.

Big whistle, deep tone with 115dBA.

Made in England.